GB2104725B - Variable capacitance device - Google Patents

Variable capacitance device

Info

Publication number
GB2104725B
GB2104725B GB08219890A GB8219890A GB2104725B GB 2104725 B GB2104725 B GB 2104725B GB 08219890 A GB08219890 A GB 08219890A GB 8219890 A GB8219890 A GB 8219890A GB 2104725 B GB2104725 B GB 2104725B
Authority
GB
United Kingdom
Prior art keywords
variable capacitance
capacitance device
variable
capacitance
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB08219890A
Other versions
GB2104725A (en
Inventor
Shoichi Minagawa
Takamasa Sakai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Faurecia Clarion Electronics Co Ltd
Original Assignee
Clarion Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP11168881A external-priority patent/JPS5814580A/en
Priority claimed from JP11168681A external-priority patent/JPS5825278A/en
Application filed by Clarion Co Ltd filed Critical Clarion Co Ltd
Publication of GB2104725A publication Critical patent/GB2104725A/en
Application granted granted Critical
Publication of GB2104725B publication Critical patent/GB2104725B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
    • H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
    • H01L29/86—Types of semiconductor device ; Multistep manufacturing processes therefor controllable only by variation of the electric current supplied, or only the electric potential applied, to one or more of the electrodes carrying the current to be rectified, amplified, oscillated or switched
    • H01L29/92—Capacitors having potential barriers
    • H01L29/93—Variable capacitance diodes, e.g. varactors

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Ceramic Engineering (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Semiconductor Integrated Circuits (AREA)
  • Semiconductor Memories (AREA)
GB08219890A 1981-07-17 1982-07-09 Variable capacitance device Expired GB2104725B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP11168881A JPS5814580A (en) 1981-07-17 1981-07-17 Variable capacitance device
JP11168681A JPS5825278A (en) 1981-07-17 1981-07-17 Variable capacitance device

Publications (2)

Publication Number Publication Date
GB2104725A GB2104725A (en) 1983-03-09
GB2104725B true GB2104725B (en) 1986-04-09

Family

ID=26451024

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08219890A Expired GB2104725B (en) 1981-07-17 1982-07-09 Variable capacitance device

Country Status (5)

Country Link
US (1) US4529995A (en)
DE (1) DE3226673A1 (en)
FR (1) FR2509907B1 (en)
GB (1) GB2104725B (en)
NL (1) NL8202890A (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59154077A (en) * 1983-02-23 1984-09-03 Clarion Co Ltd Variable capacitance element
DE3421457A1 (en) * 1984-06-08 1985-12-12 Josef Dipl.-Phys. Dr. 8048 Haimhausen Kemmer Semiconductor element
US4835587A (en) * 1984-09-19 1989-05-30 Fuji Electric Co., Ltd. Semiconductor device for detecting radiation
US4903086A (en) * 1988-01-19 1990-02-20 E-Systems, Inc. Varactor tuning diode with inversion layer
US5184201A (en) * 1989-06-07 1993-02-02 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Static induction transistor
JP2824329B2 (en) * 1990-10-16 1998-11-11 東光株式会社 Variable capacitance diode device
US5339039A (en) * 1992-09-29 1994-08-16 Arizona Board Of Regents On Behalf Of The University Of Arizona Langmuir probe system for radio frequency excited plasma processing system
US5914513A (en) * 1997-06-23 1999-06-22 The Board Of Trustees Of The University Of Illinois Electronically tunable capacitor
SE515783C2 (en) * 1997-09-11 2001-10-08 Ericsson Telefon Ab L M Electrical devices and process for their manufacture
JP4153233B2 (en) * 2002-04-18 2008-09-24 富士通株式会社 pn varactor
US6762481B2 (en) 2002-10-08 2004-07-13 The University Of Houston System Electrically programmable nonvolatile variable capacitor

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1311966A (en) * 1919-08-05 Milk-bottle container
US1177736A (en) * 1915-02-09 1916-04-04 Louis Thomas Cigarette-paper pack.
US2964648A (en) * 1958-12-24 1960-12-13 Bell Telephone Labor Inc Semiconductor capacitor
NL243218A (en) * 1958-12-24
DE1464669B1 (en) * 1961-03-06 1971-02-04 Itt Ind Gmbh Deutsche Semiconductor diode with strongly voltage-dependent capacitance
DE1514431C3 (en) * 1965-04-07 1974-08-22 Siemens Ag, 1000 Berlin Und 8000 Muenchen Semiconductor arrangement with pn junction for use as a voltage-dependent capacitance
DE1514070C3 (en) * 1965-12-03 1975-06-19 Deutsche Itt Industries Gmbh, 7800 Freiburg Switchable capacitance diode
DE1803883A1 (en) * 1968-10-18 1970-05-27 Siemens Ag Electrical arrangement controlled by at least two tunable capacitance diodes
FR2132590A1 (en) * 1971-04-09 1972-11-24 Thomson Csf Hyperabrupt varicap diode prodn - using simple semiconductor techniques
GB2060250B (en) * 1979-03-12 1983-12-14 Clarion Co Ltd Controllable semiconductor capacitors
JPS57103367A (en) * 1980-12-18 1982-06-26 Clarion Co Ltd Variable-capacitance device
JPS57103366A (en) * 1980-12-18 1982-06-26 Clarion Co Ltd Variable-capacitance device

Also Published As

Publication number Publication date
FR2509907B1 (en) 1988-07-29
US4529995A (en) 1985-07-16
GB2104725A (en) 1983-03-09
DE3226673A1 (en) 1983-02-17
NL8202890A (en) 1983-02-16
FR2509907A1 (en) 1983-01-21

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Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)

Effective date: 19930318

PCNP Patent ceased through non-payment of renewal fee

Effective date: 19960709